Grimes Mill, MO Weather Forecast
Local 7-day forecast
Mostly Sunny then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Grimes Mill, MO in one place.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny. High near 98, with temperatures falling to around 95 in the afternoon. Heat index values as high as 103. South wind 3 to 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Grimes Mill, MO is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 10:51 PM CDT.
The active forecast window currently covers Sep 16 to Sep 22, 2026 for Grimes Mill, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 22, 2026
- Latest sync
- Sep 15, 2026 10:51 PM CDT
- Forecast office
- SGF
- Source
- NOAA / NWS
Daily Outlook
This Week in Grimes Mill
Wednesday looks like the warmest upcoming period in Grimes Mill at 98 degrees F.
Monday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Saturday at about 3 to 10 mph SW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 10:51 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- SGF
- Radar station
- KSGF
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 72. Heat index values as high as 99. South wind 2 to 7 mph. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 98. Heat index values as high as 101. Southwest wind around 5 mph.
Mostly clear, with a low around 70. South wind around 2 mph.
Sunny, with a high near 98.
Mostly clear, with a low around 70.
Sunny, with a high near 97.
Mostly clear, with a low around 69.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94.
A chance of showers and thunderstorms. Partly cloudy, with a low around 65.
A chance of showers and thunderstorms. Partly sunny, with a high near 84.
A chance of rain showers. Partly cloudy, with a low around 60.
A slight chance of rain showers. Mostly sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
98°F |
3 to 8 mph
S
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
72°F |
2 to 7 mph
S
|
|
Thursday
Sep 17
|
Sunny
|
98°F |
5 mph
SW
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
70°F |
2 mph
S
|
|
Friday
Sep 18
|
Sunny
|
98°F |
1 to 6 mph
SW
|
|
Friday Night
Sep 18
|
Mostly Clear
|
70°F |
5 mph
S
|
|
Saturday
Sep 19
|
Sunny
|
97°F |
3 to 10 mph
SW
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
69°F |
2 to 6 mph
SW
|
|
Sunday
Sep 20
|
Mostly Sunny then Chance Showers And Thunderstorms
|
94°F |
2 to 8 mph
W
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms
|
65°F |
2 to 7 mph
NW
|
|
Monday
Sep 21
|
Chance Showers And Thunderstorms
|
84°F |
2 to 7 mph
N
|
|
Monday Night
Sep 21
|
Chance Rain Showers
|
60°F |
2 to 7 mph
N
|
|
Tuesday
Sep 22
|
Slight Chance Rain Showers
|
82°F |
2 to 7 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grimes Mill.